mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-07 20:31:06 -05:00
510 lines
15 KiB
CoffeeScript
510 lines
15 KiB
CoffeeScript
define [
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"moment"
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"ide/colors/ColorManager"
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"ide/history/util/displayNameForUser"
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"ide/history/util/HistoryViewModes"
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"ide/history/controllers/HistoryV2ListController"
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"ide/history/controllers/HistoryV2DiffController"
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"ide/history/controllers/HistoryV2FileTreeController"
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"ide/history/controllers/HistoryV2ToolbarController"
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"ide/history/controllers/HistoryV2AddLabelModalController"
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"ide/history/controllers/HistoryV2DeleteLabelModalController"
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"ide/history/directives/infiniteScroll"
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"ide/history/components/historyEntriesList"
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"ide/history/components/historyEntry"
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"ide/history/components/historyLabelsList"
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"ide/history/components/historyLabel"
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"ide/history/components/historyFileTree"
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"ide/history/components/historyFileEntity"
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], (moment, ColorManager, displayNameForUser, HistoryViewModes) ->
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class HistoryManager
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constructor: (@ide, @$scope) ->
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@reset()
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@$scope.HistoryViewModes = HistoryViewModes
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@$scope.toggleHistory = () =>
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if @$scope.ui.view == "history"
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@hide()
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else
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@show()
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@ide.$timeout () =>
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@$scope.$broadcast "history:toggle"
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, 0
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@$scope.toggleHistoryViewMode = () =>
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if @$scope.history.viewMode == HistoryViewModes.COMPARE
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@reset()
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@$scope.history.viewMode = HistoryViewModes.POINT_IN_TIME
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else
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@reset()
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@$scope.history.viewMode = HistoryViewModes.COMPARE
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@$scope.$watch "history.selection.updates", (updates) =>
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if @$scope.history.viewMode == HistoryViewModes.COMPARE
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if updates? and updates.length > 0
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@_selectDocFromUpdates()
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@reloadDiff()
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@$scope.$watch "history.selection.pathname", (pathname) =>
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if @$scope.history.viewMode == HistoryViewModes.POINT_IN_TIME
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if pathname?
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@loadFileAtPointInTime()
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else
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@reloadDiff()
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@$scope.$watch "history.showOnlyLabels", (showOnlyLabels, prevVal) =>
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if showOnlyLabels? and showOnlyLabels != prevVal
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if showOnlyLabels
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@selectedLabelFromUpdatesSelection()
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else
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if @$scope.history.selection.updates.length == 0
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@autoSelectLastUpdate()
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@$scope.$watch "history.updates.length", () =>
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@recalculateSelectedUpdates()
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show: () ->
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@$scope.ui.view = "history"
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@reset()
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@$scope.history.viewMode = HistoryViewModes.POINT_IN_TIME
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hide: () ->
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@$scope.ui.view = "editor"
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reset: () ->
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@$scope.history = {
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isV2: true
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updates: []
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viewMode: null
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nextBeforeTimestamp: null
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atEnd: false
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selection: {
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updates: []
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docs: {}
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pathname: null
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range: {
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fromV: null
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toV: null
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}
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}
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showOnlyLabels: false
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labels: null
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files: []
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diff: null # When history.viewMode == HistoryViewModes.COMPARE
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selectedFile: null # When history.viewMode == HistoryViewModes.POINT_IN_TIME
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}
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restoreFile: (version, pathname) ->
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url = "/project/#{@$scope.project_id}/restore_file"
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@ide.$http.post(url, {
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version, pathname,
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_csrf: window.csrfToken
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})
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loadFileTreeForVersion: (version) ->
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url = "/project/#{@$scope.project_id}/filetree/diff"
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query = [ "from=#{version}", "to=#{version}" ]
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url += "?" + query.join("&")
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@$scope.history.loadingFileTree = true
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@$scope.history.selectedFile = null
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@$scope.history.selection.pathname = null
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@ide.$http
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.get(url)
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.then (response) =>
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@$scope.history.files = response.data.diff
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@$scope.history.loadingFileTree = false
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MAX_RECENT_UPDATES_TO_SELECT: 5
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autoSelectRecentUpdates: () ->
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return if @$scope.history.updates.length == 0
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@$scope.history.updates[0].selectedTo = true
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indexOfLastUpdateNotByMe = 0
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for update, i in @$scope.history.updates
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if @_updateContainsUserId(update, @$scope.user.id) or i > @MAX_RECENT_UPDATES_TO_SELECT
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break
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indexOfLastUpdateNotByMe = i
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@$scope.history.updates[indexOfLastUpdateNotByMe].selectedFrom = true
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autoSelectLastUpdate: () ->
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return if @$scope.history.updates.length == 0
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@selectUpdate @$scope.history.updates[0]
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autoSelectLastLabel: () ->
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return if @$scope.history.labels.length == 0
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@selectLabel @$scope.history.labels[0]
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selectUpdate: (update) ->
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selectedUpdateIndex = @$scope.history.updates.indexOf update
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if selectedUpdateIndex == -1
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selectedUpdateIndex = 0
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for update in @$scope.history.updates
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update.selectedTo = false
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update.selectedFrom = false
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@$scope.history.updates[selectedUpdateIndex].selectedTo = true
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@$scope.history.updates[selectedUpdateIndex].selectedFrom = true
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@recalculateSelectedUpdates()
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@loadFileTreeForVersion @$scope.history.updates[selectedUpdateIndex].toV
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selectedLabelFromUpdatesSelection: () ->
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# Get the number of labels associated with the currently selected update
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nSelectedLabels = @$scope.history.selection.updates?[0]?.labels?.length
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# If the currently selected update has no labels, select the last one (version-wise)
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if nSelectedLabels == 0
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@autoSelectLastLabel()
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# If the update has one label, select it
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else if nSelectedLabels == 1
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@selectLabel @$scope.history.selection.updates[0].labels[0]
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# If there are multiple labels for the update, select the latest
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else if nSelectedLabels > 1
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sortedLabels = @ide.$filter("orderBy")(@$scope.history.selection.updates[0].labels, '-created_at')
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lastLabelFromUpdate = sortedLabels[0]
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@selectLabel lastLabelFromUpdate
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selectLabel: (labelToSelect) ->
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updateToSelect = null
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alreadySelected = false
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for update in @$scope.history.updates
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if update.toV == labelToSelect.version
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updateToSelect = update
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break
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for label in @$scope.history.labels
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matchingLabel = (labelToSelect.id == label.id)
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if matchingLabel and label.selected
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alreadySelected = true
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label.selected = matchingLabel
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if alreadySelected
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return
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if updateToSelect?
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@selectUpdate updateToSelect
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else
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@$scope.history.selection.updates = []
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@loadFileTreeForVersion labelToSelect.version
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recalculateSelectedUpdates: () ->
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beforeSelection = true
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afterSelection = false
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@$scope.history.selection.updates = []
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for update in @$scope.history.updates
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if update.selectedTo
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inSelection = true
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beforeSelection = false
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update.beforeSelection = beforeSelection
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update.inSelection = inSelection
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update.afterSelection = afterSelection
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if inSelection
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@$scope.history.selection.updates.push update
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if update.selectedFrom
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inSelection = false
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afterSelection = true
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BATCH_SIZE: 10
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fetchNextBatchOfUpdates: () ->
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updatesURL = "/project/#{@ide.project_id}/updates?min_count=#{@BATCH_SIZE}"
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if @$scope.history.nextBeforeTimestamp?
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updatesURL += "&before=#{@$scope.history.nextBeforeTimestamp}"
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labelsURL = "/project/#{@ide.project_id}/labels"
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@$scope.history.loading = true
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@$scope.history.loadingFileTree = true
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requests =
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updates: @ide.$http.get updatesURL
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if !@$scope.history.labels?
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requests.labels = @ide.$http.get labelsURL
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@ide.$q.all requests
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.then (response) =>
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updatesData = response.updates.data
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if response.labels?
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@$scope.history.labels = @_sortLabelsByVersionAndDate response.labels.data
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@_loadUpdates(updatesData.updates)
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@$scope.history.nextBeforeTimestamp = updatesData.nextBeforeTimestamp
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if !updatesData.nextBeforeTimestamp?
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@$scope.history.atEnd = true
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@$scope.history.loading = false
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_sortLabelsByVersionAndDate: (labels) ->
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@ide.$filter("orderBy")(labels, [ '-version', '-created_at' ])
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loadFileAtPointInTime: () ->
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pathname = @$scope.history.selection.pathname
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if @$scope.history.selection.updates?[0]?
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toV = @$scope.history.selection.updates[0].toV
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else
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for label in @$scope.history.labels or []
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if label.selected
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toV = label.version
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if !toV?
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return
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url = "/project/#{@$scope.project_id}/diff"
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query = ["pathname=#{encodeURIComponent(pathname)}", "from=#{toV}", "to=#{toV}"]
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url += "?" + query.join("&")
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@$scope.history.selectedFile =
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loading: true
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@ide.$http
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.get(url)
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.then (response) =>
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{text, binary} = @_parseDiff(response.data.diff)
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@$scope.history.selectedFile.binary = binary
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@$scope.history.selectedFile.text = text
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@$scope.history.selectedFile.loading = false
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.catch () ->
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reloadDiff: () ->
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diff = @$scope.history.diff
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{updates} = @$scope.history.selection
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{fromV, toV, pathname} = @_calculateDiffDataFromSelection()
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if !pathname?
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@$scope.history.diff = null
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return
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return if diff? and
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diff.pathname == pathname and
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diff.fromV == fromV and
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diff.toV == toV
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@$scope.history.diff = diff = {
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fromV: fromV
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toV: toV
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pathname: pathname
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error: false
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}
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diff.loading = true
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url = "/project/#{@$scope.project_id}/diff"
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query = ["pathname=#{encodeURIComponent(pathname)}"]
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if diff.fromV? and diff.toV?
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query.push "from=#{diff.fromV}", "to=#{diff.toV}"
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url += "?" + query.join("&")
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@ide.$http
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.get(url)
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.then (response) =>
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{ data } = response
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diff.loading = false
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{text, highlights, binary} = @_parseDiff(data.diff)
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diff.binary = binary
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diff.text = text
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diff.highlights = highlights
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.catch () ->
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diff.loading = false
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diff.error = true
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labelCurrentVersion: (labelComment) =>
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@_labelVersion labelComment, @$scope.history.selection.updates[0].toV
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deleteLabel: (label) =>
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url = "/project/#{@$scope.project_id}/labels/#{label.id}"
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@ide.$http({
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url,
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method: "DELETE"
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headers:
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"X-CSRF-Token": window.csrfToken
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}).then (response) =>
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@_deleteLabelLocally label
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_deleteLabelLocally: (labelToDelete) ->
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for update, i in @$scope.history.updates
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if update.toV == labelToDelete.version
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update.labels = _.filter update.labels, (label) ->
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label.id != labelToDelete.id
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break
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@$scope.history.labels = _.filter @$scope.history.labels, (label) ->
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label.id != labelToDelete.id
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_parseDiff: (diff) ->
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if diff.binary
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return { binary: true }
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row = 0
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column = 0
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highlights = []
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text = ""
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for entry, i in diff or []
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content = entry.u or entry.i or entry.d
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content ||= ""
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text += content
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lines = content.split("\n")
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startRow = row
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startColumn = column
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if lines.length > 1
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endRow = startRow + lines.length - 1
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endColumn = lines[lines.length - 1].length
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else
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endRow = startRow
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endColumn = startColumn + lines[0].length
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row = endRow
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column = endColumn
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range = {
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start:
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row: startRow
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column: startColumn
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end:
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row: endRow
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column: endColumn
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}
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if entry.i? or entry.d?
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user = entry.meta.users?[0]
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name = displayNameForUser(user)
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date = moment(entry.meta.end_ts).format("Do MMM YYYY, h:mm a")
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if entry.i?
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highlights.push {
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label: "Added by #{name} on #{date}"
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highlight: range
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hue: ColorManager.getHueForUserId(user?.id)
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}
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else if entry.d?
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highlights.push {
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label: "Deleted by #{name} on #{date}"
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strikeThrough: range
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hue: ColorManager.getHueForUserId(user?.id)
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}
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return {text, highlights}
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_loadUpdates: (updates = []) ->
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previousUpdate = @$scope.history.updates[@$scope.history.updates.length - 1]
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for update in updates or []
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for user in update.meta.users or []
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if user?
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user.hue = ColorManager.getHueForUserId(user.id)
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if !previousUpdate? or !moment(previousUpdate.meta.end_ts).isSame(update.meta.end_ts, "day")
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update.meta.first_in_day = true
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update.selectedFrom = false
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update.selectedTo = false
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update.inSelection = false
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previousUpdate = update
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firstLoad = @$scope.history.updates.length == 0
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@$scope.history.updates =
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@$scope.history.updates.concat(updates)
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if firstLoad
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if @$scope.history.viewMode == HistoryViewModes.COMPARE
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@autoSelectRecentUpdates()
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else
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if @$scope.history.showOnlyLabels
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@autoSelectLastLabel()
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else
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@autoSelectLastUpdate()
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_labelVersion: (comment, version) ->
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url = "/project/#{@$scope.project_id}/labels"
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@ide.$http
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.post url, {
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comment,
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version,
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_csrf: window.csrfToken
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}
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.then (response) =>
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@_addLabelToLocalUpdate response.data
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_addLabelToLocalUpdate: (label) =>
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localUpdate = _.find @$scope.history.updates, (update) -> update.toV == label.version
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if localUpdate?
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localUpdate.labels = @_sortLabelsByVersionAndDate localUpdate.labels.concat label
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@$scope.history.labels = @_sortLabelsByVersionAndDate @$scope.history.labels.concat label
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_perDocSummaryOfUpdates: (updates) ->
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# Track current_pathname -> original_pathname
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# create bare object for use as Map
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# http://ryanmorr.com/true-hash-maps-in-javascript/
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original_pathnames = Object.create(null)
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# Map of original pathname -> doc summary
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docs_summary = Object.create(null)
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updatePathnameWithUpdateVersions = (pathname, update, deletedAtV) ->
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# docs_summary is indexed by the original pathname the doc
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# had at the start, so we have to look this up from the current
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# pathname via original_pathname first
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if !original_pathnames[pathname]?
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original_pathnames[pathname] = pathname
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original_pathname = original_pathnames[pathname]
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doc_summary = docs_summary[original_pathname] ?= {
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fromV: update.fromV, toV: update.toV,
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}
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doc_summary.fromV = Math.min(
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doc_summary.fromV,
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update.fromV
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)
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doc_summary.toV = Math.max(
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doc_summary.toV,
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update.toV
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)
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if deletedAtV?
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doc_summary.deletedAtV = deletedAtV
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# Put updates in ascending chronological order
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updates = updates.slice().reverse()
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for update in updates
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for pathname in update.pathnames or []
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updatePathnameWithUpdateVersions(pathname, update)
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for project_op in update.project_ops or []
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if project_op.rename?
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rename = project_op.rename
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updatePathnameWithUpdateVersions(rename.pathname, update)
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original_pathnames[rename.newPathname] = original_pathnames[rename.pathname]
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delete original_pathnames[rename.pathname]
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if project_op.add?
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add = project_op.add
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updatePathnameWithUpdateVersions(add.pathname, update)
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if project_op.remove?
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remove = project_op.remove
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updatePathnameWithUpdateVersions(remove.pathname, update, project_op.atV)
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return docs_summary
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_calculateDiffDataFromSelection: () ->
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fromV = toV = pathname = null
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selected_pathname = @$scope.history.selection.pathname
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for pathname, doc of @_perDocSummaryOfUpdates(@$scope.history.selection.updates)
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if pathname == selected_pathname
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{fromV, toV} = doc
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return {fromV, toV, pathname}
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return {}
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# Set the track changes selected doc to one of the docs in the range
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# of currently selected updates. If we already have a selected doc
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# then prefer this one if present.
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_selectDocFromUpdates: () ->
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affected_docs = @_perDocSummaryOfUpdates(@$scope.history.selection.updates)
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@$scope.history.selection.docs = affected_docs
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selected_pathname = @$scope.history.selection.pathname
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if selected_pathname? and affected_docs[selected_pathname]
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# Selected doc is already open
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else
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# Set to first possible candidate
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for pathname, doc of affected_docs
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selected_pathname = pathname
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break
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@$scope.history.selection.pathname = selected_pathname
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_updateContainsUserId: (update, user_id) ->
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for user in update.meta.users
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return true if user?.id == user_id
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return false
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